ocfs2: don't pass handle to ocfs2_meta_lock() in localalloc.c
authorMark Fasheh <mark.fasheh@oracle.com>
Thu, 5 Oct 2006 22:42:08 +0000 (15:42 -0700)
committerMark Fasheh <mark.fasheh@oracle.com>
Sat, 2 Dec 2006 02:27:08 +0000 (18:27 -0800)
Take and drop the locks directly.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
fs/ocfs2/localalloc.c

index f2f384dd5ba81640060e58693bb61484b0a3facd..75f09f1b4ced8b72f6908fa0676c79c81f97b150 100644 (file)
@@ -196,7 +196,7 @@ bail:
 void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
 {
        int status;
-       struct ocfs2_journal_handle *handle = NULL;
+       struct ocfs2_journal_handle *handle;
        struct inode *local_alloc_inode = NULL;
        struct buffer_head *bh = NULL;
        struct buffer_head *main_bm_bh = NULL;
@@ -207,7 +207,7 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
        mlog_entry_void();
 
        if (osb->local_alloc_state == OCFS2_LA_UNUSED)
-               goto bail;
+               goto out;
 
        local_alloc_inode =
                ocfs2_get_system_file_inode(osb,
@@ -216,40 +216,34 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
        if (!local_alloc_inode) {
                status = -ENOENT;
                mlog_errno(status);
-               goto bail;
+               goto out;
        }
 
        osb->local_alloc_state = OCFS2_LA_DISABLED;
 
-       handle = ocfs2_alloc_handle(osb);
-       if (!handle) {
-               status = -ENOMEM;
-               mlog_errno(status);
-               goto bail;
-       }
-
        main_bm_inode = ocfs2_get_system_file_inode(osb,
                                                    GLOBAL_BITMAP_SYSTEM_INODE,
                                                    OCFS2_INVALID_SLOT);
        if (!main_bm_inode) {
                status = -EINVAL;
                mlog_errno(status);
-               goto bail;
+               goto out;
        }
 
-       ocfs2_handle_add_inode(handle, main_bm_inode);
-       status = ocfs2_meta_lock(main_bm_inode, handle, &main_bm_bh, 1);
+       mutex_lock(&main_bm_inode->i_mutex);
+
+       status = ocfs2_meta_lock(main_bm_inode, NULL, &main_bm_bh, 1);
        if (status < 0) {
                mlog_errno(status);
-               goto bail;
+               goto out_mutex;
        }
 
        /* WINDOW_MOVE_CREDITS is a bit heavy... */
-       handle = ocfs2_start_trans(osb, handle, OCFS2_WINDOW_MOVE_CREDITS);
+       handle = ocfs2_start_trans(osb, NULL, OCFS2_WINDOW_MOVE_CREDITS);
        if (IS_ERR(handle)) {
                mlog_errno(PTR_ERR(handle));
                handle = NULL;
-               goto bail;
+               goto out_unlock;
        }
 
        bh = osb->local_alloc_bh;
@@ -258,7 +252,7 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
        alloc_copy = kmalloc(bh->b_size, GFP_KERNEL);
        if (!alloc_copy) {
                status = -ENOMEM;
-               goto bail;
+               goto out_commit;
        }
        memcpy(alloc_copy, alloc, bh->b_size);
 
@@ -266,7 +260,7 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
                                      OCFS2_JOURNAL_ACCESS_WRITE);
        if (status < 0) {
                mlog_errno(status);
-               goto bail;
+               goto out_commit;
        }
 
        ocfs2_clear_local_alloc(alloc);
@@ -274,7 +268,7 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
        status = ocfs2_journal_dirty(handle, bh);
        if (status < 0) {
                mlog_errno(status);
-               goto bail;
+               goto out_commit;
        }
 
        brelse(bh);
@@ -286,16 +280,20 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb)
        if (status < 0)
                mlog_errno(status);
 
-bail:
-       if (handle)
-               ocfs2_commit_trans(handle);
+out_commit:
+       ocfs2_commit_trans(handle);
 
+out_unlock:
        if (main_bm_bh)
                brelse(main_bm_bh);
 
-       if (main_bm_inode)
-               iput(main_bm_inode);
+       ocfs2_meta_unlock(main_bm_inode, 1);
 
+out_mutex:
+       mutex_unlock(&main_bm_inode->i_mutex);
+       iput(main_bm_inode);
+
+out:
        if (local_alloc_inode)
                iput(local_alloc_inode);
 
@@ -385,41 +383,35 @@ int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb,
                                        struct ocfs2_dinode *alloc)
 {
        int status;
-       struct ocfs2_journal_handle *handle = NULL;
+       struct ocfs2_journal_handle *handle;
        struct buffer_head *main_bm_bh = NULL;
-       struct inode *main_bm_inode = NULL;
+       struct inode *main_bm_inode;
 
        mlog_entry_void();
 
-       handle = ocfs2_alloc_handle(osb);
-       if (!handle) {
-               status = -ENOMEM;
-               mlog_errno(status);
-               goto bail;
-       }
-
        main_bm_inode = ocfs2_get_system_file_inode(osb,
                                                    GLOBAL_BITMAP_SYSTEM_INODE,
                                                    OCFS2_INVALID_SLOT);
        if (!main_bm_inode) {
                status = -EINVAL;
                mlog_errno(status);
-               goto bail;
+               goto out;
        }
 
-       ocfs2_handle_add_inode(handle, main_bm_inode);
-       status = ocfs2_meta_lock(main_bm_inode, handle, &main_bm_bh, 1);
+       mutex_lock(&main_bm_inode->i_mutex);
+
+       status = ocfs2_meta_lock(main_bm_inode, NULL, &main_bm_bh, 1);
        if (status < 0) {
                mlog_errno(status);
-               goto bail;
+               goto out_mutex;
        }
 
-       handle = ocfs2_start_trans(osb, handle, OCFS2_WINDOW_MOVE_CREDITS);
+       handle = ocfs2_start_trans(osb, NULL, OCFS2_WINDOW_MOVE_CREDITS);
        if (IS_ERR(handle)) {
                status = PTR_ERR(handle);
                handle = NULL;
                mlog_errno(status);
-               goto bail;
+               goto out_unlock;
        }
 
        /* we want the bitmap change to be recorded on disk asap */
@@ -430,16 +422,20 @@ int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb,
        if (status < 0)
                mlog_errno(status);
 
-bail:
-       if (handle)
-               ocfs2_commit_trans(handle);
+       ocfs2_commit_trans(handle);
+
+out_unlock:
+       ocfs2_meta_unlock(main_bm_inode, 1);
+
+out_mutex:
+       mutex_unlock(&main_bm_inode->i_mutex);
 
        if (main_bm_bh)
                brelse(main_bm_bh);
 
-       if (main_bm_inode)
-               iput(main_bm_inode);
+       iput(main_bm_inode);
 
+out:
        mlog_exit(status);
        return status;
 }